Mponeng Gold Mine located Southwest of Johannesburg, South Africa is currently the deepest mine in the world with a depth reaching over 4.0 km below the earth surface. It was commissioned in 1986.
Other deep mines around the world are:
1. TauTona Gold Mine, South Africa - 3.9 km
2. Savuka Gold mine, South Africa - 3.7 km
3. Kusa Salithu Gold mine, South Africa - 3.27 km.
4. Drienfontein Mine, South Africa - 3.4 km
5. Creighton mine, Ontario Canada - 2.5 km